发明授权
- 专利标题: Microcapsules, method for their production and pressure sensitive copying sheet
- 专利标题(中): 微胶囊,其生产方法和压敏复印纸
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申请号: US107066申请日: 1979-12-26
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公开(公告)号: US4413843A公开(公告)日: 1983-11-08
- 发明人: Hiroshi Iwasaki , Shinsuke Irii
- 申请人: Hiroshi Iwasaki , Shinsuke Irii
- 申请人地址: JPX Tokyo
- 专利权人: Kanzaki Paper Manufacturing Co., Ltd.
- 当前专利权人: Kanzaki Paper Manufacturing Co., Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX53-165311 19781229
- 主分类号: B01J13/18
- IPC分类号: B01J13/18 ; B41M5/165 ; B01J13/02 ; B32B27/42 ; B41L1/36
摘要:
The method of making microcapsules comprises performing polycondensation of an aminoaldehyde resin prepolymer in an aqueous dispersion including particles of hydrophobic core material in the presence of anion-modified polyvinyl alcohol to form aminoaldehyde resin microcapsules walls around said particles of hydrophobic core material.
公开/授权文献
- USD432521S Loudspeaker 公开/授权日:2000-10-24
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